Multiple choice

Which of the following is/are true about incremental back up of RMAN in oracle database recovery?

  1. It includes all used data blocks in the datafiles.

  2. It includes a backup of datafiles that includes only the blocks that have changed since a previous incremental backup.

  3. Incremental backups of control files and archived logs always include all blocks in the files.

  4. Incremental backups require a full or incremental level 0 backup to serve as a basis.

  5. Both (2) and (4)
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E Correct answer
Explanation

These are the true statements.

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